1# generated automatically by aclocal 1.14.1 -*- Autoconf -*-
2
3# Copyright (C) 1996-2013 Free Software Foundation, Inc.
4
5# This file is free software; the Free Software Foundation
6# gives unlimited permission to copy and/or distribute it,
7# with or without modifications, as long as this notice is preserved.
8
9# This program is distributed in the hope that it will be useful,
10# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
11# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
12# PARTICULAR PURPOSE.
13
14m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
15m4_ifndef([AC_AUTOCONF_VERSION],
16  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
17m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],,
18[m4_warning([this file was generated for autoconf 2.69.
19You have another version of autoconf.  It may work, but is not guaranteed to.
20If you have problems, you may need to regenerate the build system entirely.
21To do so, use the procedure documented by the package, typically 'autoreconf'.])])
22
23# pkg.m4 - Macros to locate and utilise pkg-config.            -*- Autoconf -*-
24# serial 1 (pkg-config-0.24)
25#
26# Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
27#
28# This program is free software; you can redistribute it and/or modify
29# it under the terms of the GNU General Public License as published by
30# the Free Software Foundation; either version 2 of the License, or
31# (at your option) any later version.
32#
33# This program is distributed in the hope that it will be useful, but
34# WITHOUT ANY WARRANTY; without even the implied warranty of
35# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
36# General Public License for more details.
37#
38# You should have received a copy of the GNU General Public License
39# along with this program; if not, write to the Free Software
40# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
41#
42# As a special exception to the GNU General Public License, if you
43# distribute this file as part of a program that contains a
44# configuration script generated by Autoconf, you may include it under
45# the same distribution terms that you use for the rest of that program.
46
47# PKG_PROG_PKG_CONFIG([MIN-VERSION])
48# ----------------------------------
49AC_DEFUN([PKG_PROG_PKG_CONFIG],
50[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
51m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
52m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
53AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
54AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
55AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
56
57if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
58	AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
59fi
60if test -n "$PKG_CONFIG"; then
61	_pkg_min_version=m4_default([$1], [0.9.0])
62	AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
63	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
64		AC_MSG_RESULT([yes])
65	else
66		AC_MSG_RESULT([no])
67		PKG_CONFIG=""
68	fi
69fi[]dnl
70])# PKG_PROG_PKG_CONFIG
71
72# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
73#
74# Check to see whether a particular set of modules exists.  Similar
75# to PKG_CHECK_MODULES(), but does not set variables or print errors.
76#
77# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
78# only at the first occurence in configure.ac, so if the first place
79# it's called might be skipped (such as if it is within an "if", you
80# have to call PKG_CHECK_EXISTS manually
81# --------------------------------------------------------------
82AC_DEFUN([PKG_CHECK_EXISTS],
83[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
84if test -n "$PKG_CONFIG" && \
85    AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
86  m4_default([$2], [:])
87m4_ifvaln([$3], [else
88  $3])dnl
89fi])
90
91# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
92# ---------------------------------------------
93m4_define([_PKG_CONFIG],
94[if test -n "$$1"; then
95    pkg_cv_[]$1="$$1"
96 elif test -n "$PKG_CONFIG"; then
97    PKG_CHECK_EXISTS([$3],
98                     [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
99		      test "x$?" != "x0" && pkg_failed=yes ],
100		     [pkg_failed=yes])
101 else
102    pkg_failed=untried
103fi[]dnl
104])# _PKG_CONFIG
105
106# _PKG_SHORT_ERRORS_SUPPORTED
107# -----------------------------
108AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
109[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
110if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
111        _pkg_short_errors_supported=yes
112else
113        _pkg_short_errors_supported=no
114fi[]dnl
115])# _PKG_SHORT_ERRORS_SUPPORTED
116
117
118# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
119# [ACTION-IF-NOT-FOUND])
120#
121#
122# Note that if there is a possibility the first call to
123# PKG_CHECK_MODULES might not happen, you should be sure to include an
124# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
125#
126#
127# --------------------------------------------------------------
128AC_DEFUN([PKG_CHECK_MODULES],
129[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
130AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
131AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
132
133pkg_failed=no
134AC_MSG_CHECKING([for $1])
135
136_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
137_PKG_CONFIG([$1][_LIBS], [libs], [$2])
138
139m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
140and $1[]_LIBS to avoid the need to call pkg-config.
141See the pkg-config man page for more details.])
142
143if test $pkg_failed = yes; then
144   	AC_MSG_RESULT([no])
145        _PKG_SHORT_ERRORS_SUPPORTED
146        if test $_pkg_short_errors_supported = yes; then
147	        $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
148        else
149	        $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
150        fi
151	# Put the nasty error message in config.log where it belongs
152	echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
153
154	m4_default([$4], [AC_MSG_ERROR(
155[Package requirements ($2) were not met:
156
157$$1_PKG_ERRORS
158
159Consider adjusting the PKG_CONFIG_PATH environment variable if you
160installed software in a non-standard prefix.
161
162_PKG_TEXT])[]dnl
163        ])
164elif test $pkg_failed = untried; then
165     	AC_MSG_RESULT([no])
166	m4_default([$4], [AC_MSG_FAILURE(
167[The pkg-config script could not be found or is too old.  Make sure it
168is in your PATH or set the PKG_CONFIG environment variable to the full
169path to pkg-config.
170
171_PKG_TEXT
172
173To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
174        ])
175else
176	$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
177	$1[]_LIBS=$pkg_cv_[]$1[]_LIBS
178        AC_MSG_RESULT([yes])
179	$3
180fi[]dnl
181])# PKG_CHECK_MODULES
182
183# Copyright (C) 2002-2013 Free Software Foundation, Inc.
184#
185# This file is free software; the Free Software Foundation
186# gives unlimited permission to copy and/or distribute it,
187# with or without modifications, as long as this notice is preserved.
188
189# AM_AUTOMAKE_VERSION(VERSION)
190# ----------------------------
191# Automake X.Y traces this macro to ensure aclocal.m4 has been
192# generated from the m4 files accompanying Automake X.Y.
193# (This private macro should not be called outside this file.)
194AC_DEFUN([AM_AUTOMAKE_VERSION],
195[am__api_version='1.14'
196dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
197dnl require some minimum version.  Point them to the right macro.
198m4_if([$1], [1.14.1], [],
199      [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
200])
201
202# _AM_AUTOCONF_VERSION(VERSION)
203# -----------------------------
204# aclocal traces this macro to find the Autoconf version.
205# This is a private macro too.  Using m4_define simplifies
206# the logic in aclocal, which can simply ignore this definition.
207m4_define([_AM_AUTOCONF_VERSION], [])
208
209# AM_SET_CURRENT_AUTOMAKE_VERSION
210# -------------------------------
211# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
212# This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
213AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
214[AM_AUTOMAKE_VERSION([1.14.1])dnl
215m4_ifndef([AC_AUTOCONF_VERSION],
216  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
217_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
218
219# AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
220
221# Copyright (C) 2001-2013 Free Software Foundation, Inc.
222#
223# This file is free software; the Free Software Foundation
224# gives unlimited permission to copy and/or distribute it,
225# with or without modifications, as long as this notice is preserved.
226
227# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
228# $ac_aux_dir to '$srcdir/foo'.  In other projects, it is set to
229# '$srcdir', '$srcdir/..', or '$srcdir/../..'.
230#
231# Of course, Automake must honor this variable whenever it calls a
232# tool from the auxiliary directory.  The problem is that $srcdir (and
233# therefore $ac_aux_dir as well) can be either absolute or relative,
234# depending on how configure is run.  This is pretty annoying, since
235# it makes $ac_aux_dir quite unusable in subdirectories: in the top
236# source directory, any form will work fine, but in subdirectories a
237# relative path needs to be adjusted first.
238#
239# $ac_aux_dir/missing
240#    fails when called from a subdirectory if $ac_aux_dir is relative
241# $top_srcdir/$ac_aux_dir/missing
242#    fails if $ac_aux_dir is absolute,
243#    fails when called from a subdirectory in a VPATH build with
244#          a relative $ac_aux_dir
245#
246# The reason of the latter failure is that $top_srcdir and $ac_aux_dir
247# are both prefixed by $srcdir.  In an in-source build this is usually
248# harmless because $srcdir is '.', but things will broke when you
249# start a VPATH build or use an absolute $srcdir.
250#
251# So we could use something similar to $top_srcdir/$ac_aux_dir/missing,
252# iff we strip the leading $srcdir from $ac_aux_dir.  That would be:
253#   am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"`
254# and then we would define $MISSING as
255#   MISSING="\${SHELL} $am_aux_dir/missing"
256# This will work as long as MISSING is not called from configure, because
257# unfortunately $(top_srcdir) has no meaning in configure.
258# However there are other variables, like CC, which are often used in
259# configure, and could therefore not use this "fixed" $ac_aux_dir.
260#
261# Another solution, used here, is to always expand $ac_aux_dir to an
262# absolute PATH.  The drawback is that using absolute paths prevent a
263# configured tree to be moved without reconfiguration.
264
265AC_DEFUN([AM_AUX_DIR_EXPAND],
266[dnl Rely on autoconf to set up CDPATH properly.
267AC_PREREQ([2.50])dnl
268# expand $ac_aux_dir to an absolute path
269am_aux_dir=`cd $ac_aux_dir && pwd`
270])
271
272# AM_CONDITIONAL                                            -*- Autoconf -*-
273
274# Copyright (C) 1997-2013 Free Software Foundation, Inc.
275#
276# This file is free software; the Free Software Foundation
277# gives unlimited permission to copy and/or distribute it,
278# with or without modifications, as long as this notice is preserved.
279
280# AM_CONDITIONAL(NAME, SHELL-CONDITION)
281# -------------------------------------
282# Define a conditional.
283AC_DEFUN([AM_CONDITIONAL],
284[AC_PREREQ([2.52])dnl
285 m4_if([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
286       [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
287AC_SUBST([$1_TRUE])dnl
288AC_SUBST([$1_FALSE])dnl
289_AM_SUBST_NOTMAKE([$1_TRUE])dnl
290_AM_SUBST_NOTMAKE([$1_FALSE])dnl
291m4_define([_AM_COND_VALUE_$1], [$2])dnl
292if $2; then
293  $1_TRUE=
294  $1_FALSE='#'
295else
296  $1_TRUE='#'
297  $1_FALSE=
298fi
299AC_CONFIG_COMMANDS_PRE(
300[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
301  AC_MSG_ERROR([[conditional "$1" was never defined.
302Usually this means the macro was only invoked conditionally.]])
303fi])])
304
305# Copyright (C) 1999-2013 Free Software Foundation, Inc.
306#
307# This file is free software; the Free Software Foundation
308# gives unlimited permission to copy and/or distribute it,
309# with or without modifications, as long as this notice is preserved.
310
311
312# There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
313# written in clear, in which case automake, when reading aclocal.m4,
314# will think it sees a *use*, and therefore will trigger all it's
315# C support machinery.  Also note that it means that autoscan, seeing
316# CC etc. in the Makefile, will ask for an AC_PROG_CC use...
317
318
319# _AM_DEPENDENCIES(NAME)
320# ----------------------
321# See how the compiler implements dependency checking.
322# NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC".
323# We try a few techniques and use that to set a single cache variable.
324#
325# We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
326# modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
327# dependency, and given that the user is not expected to run this macro,
328# just rely on AC_PROG_CC.
329AC_DEFUN([_AM_DEPENDENCIES],
330[AC_REQUIRE([AM_SET_DEPDIR])dnl
331AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
332AC_REQUIRE([AM_MAKE_INCLUDE])dnl
333AC_REQUIRE([AM_DEP_TRACK])dnl
334
335m4_if([$1], [CC],   [depcc="$CC"   am_compiler_list=],
336      [$1], [CXX],  [depcc="$CXX"  am_compiler_list=],
337      [$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
338      [$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'],
339      [$1], [UPC],  [depcc="$UPC"  am_compiler_list=],
340      [$1], [GCJ],  [depcc="$GCJ"  am_compiler_list='gcc3 gcc'],
341                    [depcc="$$1"   am_compiler_list=])
342
343AC_CACHE_CHECK([dependency style of $depcc],
344               [am_cv_$1_dependencies_compiler_type],
345[if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
346  # We make a subdir and do the tests there.  Otherwise we can end up
347  # making bogus files that we don't know about and never remove.  For
348  # instance it was reported that on HP-UX the gcc test will end up
349  # making a dummy file named 'D' -- because '-MD' means "put the output
350  # in D".
351  rm -rf conftest.dir
352  mkdir conftest.dir
353  # Copy depcomp to subdir because otherwise we won't find it if we're
354  # using a relative directory.
355  cp "$am_depcomp" conftest.dir
356  cd conftest.dir
357  # We will build objects and dependencies in a subdirectory because
358  # it helps to detect inapplicable dependency modes.  For instance
359  # both Tru64's cc and ICC support -MD to output dependencies as a
360  # side effect of compilation, but ICC will put the dependencies in
361  # the current directory while Tru64 will put them in the object
362  # directory.
363  mkdir sub
364
365  am_cv_$1_dependencies_compiler_type=none
366  if test "$am_compiler_list" = ""; then
367     am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
368  fi
369  am__universal=false
370  m4_case([$1], [CC],
371    [case " $depcc " in #(
372     *\ -arch\ *\ -arch\ *) am__universal=true ;;
373     esac],
374    [CXX],
375    [case " $depcc " in #(
376     *\ -arch\ *\ -arch\ *) am__universal=true ;;
377     esac])
378
379  for depmode in $am_compiler_list; do
380    # Setup a source with many dependencies, because some compilers
381    # like to wrap large dependency lists on column 80 (with \), and
382    # we should not choose a depcomp mode which is confused by this.
383    #
384    # We need to recreate these files for each test, as the compiler may
385    # overwrite some of them when testing with obscure command lines.
386    # This happens at least with the AIX C compiler.
387    : > sub/conftest.c
388    for i in 1 2 3 4 5 6; do
389      echo '#include "conftst'$i'.h"' >> sub/conftest.c
390      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
391      # Solaris 10 /bin/sh.
392      echo '/* dummy */' > sub/conftst$i.h
393    done
394    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
395
396    # We check with '-c' and '-o' for the sake of the "dashmstdout"
397    # mode.  It turns out that the SunPro C++ compiler does not properly
398    # handle '-M -o', and we need to detect this.  Also, some Intel
399    # versions had trouble with output in subdirs.
400    am__obj=sub/conftest.${OBJEXT-o}
401    am__minus_obj="-o $am__obj"
402    case $depmode in
403    gcc)
404      # This depmode causes a compiler race in universal mode.
405      test "$am__universal" = false || continue
406      ;;
407    nosideeffect)
408      # After this tag, mechanisms are not by side-effect, so they'll
409      # only be used when explicitly requested.
410      if test "x$enable_dependency_tracking" = xyes; then
411	continue
412      else
413	break
414      fi
415      ;;
416    msvc7 | msvc7msys | msvisualcpp | msvcmsys)
417      # This compiler won't grok '-c -o', but also, the minuso test has
418      # not run yet.  These depmodes are late enough in the game, and
419      # so weak that their functioning should not be impacted.
420      am__obj=conftest.${OBJEXT-o}
421      am__minus_obj=
422      ;;
423    none) break ;;
424    esac
425    if depmode=$depmode \
426       source=sub/conftest.c object=$am__obj \
427       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
428       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
429         >/dev/null 2>conftest.err &&
430       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
431       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
432       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
433       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
434      # icc doesn't choke on unknown options, it will just issue warnings
435      # or remarks (even with -Werror).  So we grep stderr for any message
436      # that says an option was ignored or not supported.
437      # When given -MP, icc 7.0 and 7.1 complain thusly:
438      #   icc: Command line warning: ignoring option '-M'; no argument required
439      # The diagnosis changed in icc 8.0:
440      #   icc: Command line remark: option '-MP' not supported
441      if (grep 'ignoring option' conftest.err ||
442          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
443        am_cv_$1_dependencies_compiler_type=$depmode
444        break
445      fi
446    fi
447  done
448
449  cd ..
450  rm -rf conftest.dir
451else
452  am_cv_$1_dependencies_compiler_type=none
453fi
454])
455AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
456AM_CONDITIONAL([am__fastdep$1], [
457  test "x$enable_dependency_tracking" != xno \
458  && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
459])
460
461
462# AM_SET_DEPDIR
463# -------------
464# Choose a directory name for dependency files.
465# This macro is AC_REQUIREd in _AM_DEPENDENCIES.
466AC_DEFUN([AM_SET_DEPDIR],
467[AC_REQUIRE([AM_SET_LEADING_DOT])dnl
468AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
469])
470
471
472# AM_DEP_TRACK
473# ------------
474AC_DEFUN([AM_DEP_TRACK],
475[AC_ARG_ENABLE([dependency-tracking], [dnl
476AS_HELP_STRING(
477  [--enable-dependency-tracking],
478  [do not reject slow dependency extractors])
479AS_HELP_STRING(
480  [--disable-dependency-tracking],
481  [speeds up one-time build])])
482if test "x$enable_dependency_tracking" != xno; then
483  am_depcomp="$ac_aux_dir/depcomp"
484  AMDEPBACKSLASH='\'
485  am__nodep='_no'
486fi
487AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
488AC_SUBST([AMDEPBACKSLASH])dnl
489_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
490AC_SUBST([am__nodep])dnl
491_AM_SUBST_NOTMAKE([am__nodep])dnl
492])
493
494# Generate code to set up dependency tracking.              -*- Autoconf -*-
495
496# Copyright (C) 1999-2013 Free Software Foundation, Inc.
497#
498# This file is free software; the Free Software Foundation
499# gives unlimited permission to copy and/or distribute it,
500# with or without modifications, as long as this notice is preserved.
501
502
503# _AM_OUTPUT_DEPENDENCY_COMMANDS
504# ------------------------------
505AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
506[{
507  # Older Autoconf quotes --file arguments for eval, but not when files
508  # are listed without --file.  Let's play safe and only enable the eval
509  # if we detect the quoting.
510  case $CONFIG_FILES in
511  *\'*) eval set x "$CONFIG_FILES" ;;
512  *)   set x $CONFIG_FILES ;;
513  esac
514  shift
515  for mf
516  do
517    # Strip MF so we end up with the name of the file.
518    mf=`echo "$mf" | sed -e 's/:.*$//'`
519    # Check whether this is an Automake generated Makefile or not.
520    # We used to match only the files named 'Makefile.in', but
521    # some people rename them; so instead we look at the file content.
522    # Grep'ing the first line is not enough: some people post-process
523    # each Makefile.in and add a new line on top of each file to say so.
524    # Grep'ing the whole file is not good either: AIX grep has a line
525    # limit of 2048, but all sed's we know have understand at least 4000.
526    if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
527      dirpart=`AS_DIRNAME("$mf")`
528    else
529      continue
530    fi
531    # Extract the definition of DEPDIR, am__include, and am__quote
532    # from the Makefile without running 'make'.
533    DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
534    test -z "$DEPDIR" && continue
535    am__include=`sed -n 's/^am__include = //p' < "$mf"`
536    test -z "$am__include" && continue
537    am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
538    # Find all dependency output files, they are included files with
539    # $(DEPDIR) in their names.  We invoke sed twice because it is the
540    # simplest approach to changing $(DEPDIR) to its actual value in the
541    # expansion.
542    for file in `sed -n "
543      s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
544	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
545      # Make sure the directory exists.
546      test -f "$dirpart/$file" && continue
547      fdir=`AS_DIRNAME(["$file"])`
548      AS_MKDIR_P([$dirpart/$fdir])
549      # echo "creating $dirpart/$file"
550      echo '# dummy' > "$dirpart/$file"
551    done
552  done
553}
554])# _AM_OUTPUT_DEPENDENCY_COMMANDS
555
556
557# AM_OUTPUT_DEPENDENCY_COMMANDS
558# -----------------------------
559# This macro should only be invoked once -- use via AC_REQUIRE.
560#
561# This code is only required when automatic dependency tracking
562# is enabled.  FIXME.  This creates each '.P' file that we will
563# need in order to bootstrap the dependency handling code.
564AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
565[AC_CONFIG_COMMANDS([depfiles],
566     [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
567     [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
568])
569
570# Do all the work for Automake.                             -*- Autoconf -*-
571
572# Copyright (C) 1996-2013 Free Software Foundation, Inc.
573#
574# This file is free software; the Free Software Foundation
575# gives unlimited permission to copy and/or distribute it,
576# with or without modifications, as long as this notice is preserved.
577
578# This macro actually does too much.  Some checks are only needed if
579# your package does certain things.  But this isn't really a big deal.
580
581dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
582m4_define([AC_PROG_CC],
583m4_defn([AC_PROG_CC])
584[_AM_PROG_CC_C_O
585])
586
587# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
588# AM_INIT_AUTOMAKE([OPTIONS])
589# -----------------------------------------------
590# The call with PACKAGE and VERSION arguments is the old style
591# call (pre autoconf-2.50), which is being phased out.  PACKAGE
592# and VERSION should now be passed to AC_INIT and removed from
593# the call to AM_INIT_AUTOMAKE.
594# We support both call styles for the transition.  After
595# the next Automake release, Autoconf can make the AC_INIT
596# arguments mandatory, and then we can depend on a new Autoconf
597# release and drop the old call support.
598AC_DEFUN([AM_INIT_AUTOMAKE],
599[AC_PREREQ([2.65])dnl
600dnl Autoconf wants to disallow AM_ names.  We explicitly allow
601dnl the ones we care about.
602m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
603AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
604AC_REQUIRE([AC_PROG_INSTALL])dnl
605if test "`cd $srcdir && pwd`" != "`pwd`"; then
606  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
607  # is not polluted with repeated "-I."
608  AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
609  # test to see if srcdir already configured
610  if test -f $srcdir/config.status; then
611    AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
612  fi
613fi
614
615# test whether we have cygpath
616if test -z "$CYGPATH_W"; then
617  if (cygpath --version) >/dev/null 2>/dev/null; then
618    CYGPATH_W='cygpath -w'
619  else
620    CYGPATH_W=echo
621  fi
622fi
623AC_SUBST([CYGPATH_W])
624
625# Define the identity of the package.
626dnl Distinguish between old-style and new-style calls.
627m4_ifval([$2],
628[AC_DIAGNOSE([obsolete],
629             [$0: two- and three-arguments forms are deprecated.])
630m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
631 AC_SUBST([PACKAGE], [$1])dnl
632 AC_SUBST([VERSION], [$2])],
633[_AM_SET_OPTIONS([$1])dnl
634dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
635m4_if(
636  m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
637  [ok:ok],,
638  [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
639 AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
640 AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
641
642_AM_IF_OPTION([no-define],,
643[AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
644 AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
645
646# Some tools Automake needs.
647AC_REQUIRE([AM_SANITY_CHECK])dnl
648AC_REQUIRE([AC_ARG_PROGRAM])dnl
649AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
650AM_MISSING_PROG([AUTOCONF], [autoconf])
651AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
652AM_MISSING_PROG([AUTOHEADER], [autoheader])
653AM_MISSING_PROG([MAKEINFO], [makeinfo])
654AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
655AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
656AC_REQUIRE([AC_PROG_MKDIR_P])dnl
657# For better backward compatibility.  To be removed once Automake 1.9.x
658# dies out for good.  For more background, see:
659# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
660# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
661AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
662# We need awk for the "check" target.  The system "awk" is bad on
663# some platforms.
664AC_REQUIRE([AC_PROG_AWK])dnl
665AC_REQUIRE([AC_PROG_MAKE_SET])dnl
666AC_REQUIRE([AM_SET_LEADING_DOT])dnl
667_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
668	      [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
669			     [_AM_PROG_TAR([v7])])])
670_AM_IF_OPTION([no-dependencies],,
671[AC_PROVIDE_IFELSE([AC_PROG_CC],
672		  [_AM_DEPENDENCIES([CC])],
673		  [m4_define([AC_PROG_CC],
674			     m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
675AC_PROVIDE_IFELSE([AC_PROG_CXX],
676		  [_AM_DEPENDENCIES([CXX])],
677		  [m4_define([AC_PROG_CXX],
678			     m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
679AC_PROVIDE_IFELSE([AC_PROG_OBJC],
680		  [_AM_DEPENDENCIES([OBJC])],
681		  [m4_define([AC_PROG_OBJC],
682			     m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
683AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
684		  [_AM_DEPENDENCIES([OBJCXX])],
685		  [m4_define([AC_PROG_OBJCXX],
686			     m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
687])
688AC_REQUIRE([AM_SILENT_RULES])dnl
689dnl The testsuite driver may need to know about EXEEXT, so add the
690dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This
691dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
692AC_CONFIG_COMMANDS_PRE(dnl
693[m4_provide_if([_AM_COMPILER_EXEEXT],
694  [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
695
696# POSIX will say in a future version that running "rm -f" with no argument
697# is OK; and we want to be able to make that assumption in our Makefile
698# recipes.  So use an aggressive probe to check that the usage we want is
699# actually supported "in the wild" to an acceptable degree.
700# See automake bug#10828.
701# To make any issue more visible, cause the running configure to be aborted
702# by default if the 'rm' program in use doesn't match our expectations; the
703# user can still override this though.
704if rm -f && rm -fr && rm -rf; then : OK; else
705  cat >&2 <<'END'
706Oops!
707
708Your 'rm' program seems unable to run without file operands specified
709on the command line, even when the '-f' option is present.  This is contrary
710to the behaviour of most rm programs out there, and not conforming with
711the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
712
713Please tell bug-automake@gnu.org about your system, including the value
714of your $PATH and any error possibly output before this message.  This
715can help us improve future automake versions.
716
717END
718  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
719    echo 'Configuration will proceed anyway, since you have set the' >&2
720    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
721    echo >&2
722  else
723    cat >&2 <<'END'
724Aborting the configuration process, to ensure you take notice of the issue.
725
726You can download and install GNU coreutils to get an 'rm' implementation
727that behaves properly: <http://www.gnu.org/software/coreutils/>.
728
729If you want to complete the configuration process using your problematic
730'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
731to "yes", and re-run configure.
732
733END
734    AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
735  fi
736fi])
737
738dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
739dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
740dnl mangled by Autoconf and run in a shell conditional statement.
741m4_define([_AC_COMPILER_EXEEXT],
742m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
743
744# When config.status generates a header, we must update the stamp-h file.
745# This file resides in the same directory as the config header
746# that is generated.  The stamp files are numbered to have different names.
747
748# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
749# loop where config.status creates the headers, so we can generate
750# our stamp files there.
751AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
752[# Compute $1's index in $config_headers.
753_am_arg=$1
754_am_stamp_count=1
755for _am_header in $config_headers :; do
756  case $_am_header in
757    $_am_arg | $_am_arg:* )
758      break ;;
759    * )
760      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
761  esac
762done
763echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
764
765# Copyright (C) 2001-2013 Free Software Foundation, Inc.
766#
767# This file is free software; the Free Software Foundation
768# gives unlimited permission to copy and/or distribute it,
769# with or without modifications, as long as this notice is preserved.
770
771# AM_PROG_INSTALL_SH
772# ------------------
773# Define $install_sh.
774AC_DEFUN([AM_PROG_INSTALL_SH],
775[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
776if test x"${install_sh}" != xset; then
777  case $am_aux_dir in
778  *\ * | *\	*)
779    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
780  *)
781    install_sh="\${SHELL} $am_aux_dir/install-sh"
782  esac
783fi
784AC_SUBST([install_sh])])
785
786# Copyright (C) 2003-2013 Free Software Foundation, Inc.
787#
788# This file is free software; the Free Software Foundation
789# gives unlimited permission to copy and/or distribute it,
790# with or without modifications, as long as this notice is preserved.
791
792# Check whether the underlying file-system supports filenames
793# with a leading dot.  For instance MS-DOS doesn't.
794AC_DEFUN([AM_SET_LEADING_DOT],
795[rm -rf .tst 2>/dev/null
796mkdir .tst 2>/dev/null
797if test -d .tst; then
798  am__leading_dot=.
799else
800  am__leading_dot=_
801fi
802rmdir .tst 2>/dev/null
803AC_SUBST([am__leading_dot])])
804
805# Check to see how 'make' treats includes.	            -*- Autoconf -*-
806
807# Copyright (C) 2001-2013 Free Software Foundation, Inc.
808#
809# This file is free software; the Free Software Foundation
810# gives unlimited permission to copy and/or distribute it,
811# with or without modifications, as long as this notice is preserved.
812
813# AM_MAKE_INCLUDE()
814# -----------------
815# Check to see how make treats includes.
816AC_DEFUN([AM_MAKE_INCLUDE],
817[am_make=${MAKE-make}
818cat > confinc << 'END'
819am__doit:
820	@echo this is the am__doit target
821.PHONY: am__doit
822END
823# If we don't find an include directive, just comment out the code.
824AC_MSG_CHECKING([for style of include used by $am_make])
825am__include="#"
826am__quote=
827_am_result=none
828# First try GNU make style include.
829echo "include confinc" > confmf
830# Ignore all kinds of additional output from 'make'.
831case `$am_make -s -f confmf 2> /dev/null` in #(
832*the\ am__doit\ target*)
833  am__include=include
834  am__quote=
835  _am_result=GNU
836  ;;
837esac
838# Now try BSD make style include.
839if test "$am__include" = "#"; then
840   echo '.include "confinc"' > confmf
841   case `$am_make -s -f confmf 2> /dev/null` in #(
842   *the\ am__doit\ target*)
843     am__include=.include
844     am__quote="\""
845     _am_result=BSD
846     ;;
847   esac
848fi
849AC_SUBST([am__include])
850AC_SUBST([am__quote])
851AC_MSG_RESULT([$_am_result])
852rm -f confinc confmf
853])
854
855# Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
856
857# Copyright (C) 1997-2013 Free Software Foundation, Inc.
858#
859# This file is free software; the Free Software Foundation
860# gives unlimited permission to copy and/or distribute it,
861# with or without modifications, as long as this notice is preserved.
862
863# AM_MISSING_PROG(NAME, PROGRAM)
864# ------------------------------
865AC_DEFUN([AM_MISSING_PROG],
866[AC_REQUIRE([AM_MISSING_HAS_RUN])
867$1=${$1-"${am_missing_run}$2"}
868AC_SUBST($1)])
869
870# AM_MISSING_HAS_RUN
871# ------------------
872# Define MISSING if not defined so far and test if it is modern enough.
873# If it is, set am_missing_run to use it, otherwise, to nothing.
874AC_DEFUN([AM_MISSING_HAS_RUN],
875[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
876AC_REQUIRE_AUX_FILE([missing])dnl
877if test x"${MISSING+set}" != xset; then
878  case $am_aux_dir in
879  *\ * | *\	*)
880    MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
881  *)
882    MISSING="\${SHELL} $am_aux_dir/missing" ;;
883  esac
884fi
885# Use eval to expand $SHELL
886if eval "$MISSING --is-lightweight"; then
887  am_missing_run="$MISSING "
888else
889  am_missing_run=
890  AC_MSG_WARN(['missing' script is too old or missing])
891fi
892])
893
894# Helper functions for option handling.                     -*- Autoconf -*-
895
896# Copyright (C) 2001-2013 Free Software Foundation, Inc.
897#
898# This file is free software; the Free Software Foundation
899# gives unlimited permission to copy and/or distribute it,
900# with or without modifications, as long as this notice is preserved.
901
902# _AM_MANGLE_OPTION(NAME)
903# -----------------------
904AC_DEFUN([_AM_MANGLE_OPTION],
905[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
906
907# _AM_SET_OPTION(NAME)
908# --------------------
909# Set option NAME.  Presently that only means defining a flag for this option.
910AC_DEFUN([_AM_SET_OPTION],
911[m4_define(_AM_MANGLE_OPTION([$1]), [1])])
912
913# _AM_SET_OPTIONS(OPTIONS)
914# ------------------------
915# OPTIONS is a space-separated list of Automake options.
916AC_DEFUN([_AM_SET_OPTIONS],
917[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
918
919# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
920# -------------------------------------------
921# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
922AC_DEFUN([_AM_IF_OPTION],
923[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
924
925# Copyright (C) 1999-2013 Free Software Foundation, Inc.
926#
927# This file is free software; the Free Software Foundation
928# gives unlimited permission to copy and/or distribute it,
929# with or without modifications, as long as this notice is preserved.
930
931# _AM_PROG_CC_C_O
932# ---------------
933# Like AC_PROG_CC_C_O, but changed for automake.  We rewrite AC_PROG_CC
934# to automatically call this.
935AC_DEFUN([_AM_PROG_CC_C_O],
936[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
937AC_REQUIRE_AUX_FILE([compile])dnl
938AC_LANG_PUSH([C])dnl
939AC_CACHE_CHECK(
940  [whether $CC understands -c and -o together],
941  [am_cv_prog_cc_c_o],
942  [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
943  # Make sure it works both with $CC and with simple cc.
944  # Following AC_PROG_CC_C_O, we do the test twice because some
945  # compilers refuse to overwrite an existing .o file with -o,
946  # though they will create one.
947  am_cv_prog_cc_c_o=yes
948  for am_i in 1 2; do
949    if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
950         && test -f conftest2.$ac_objext; then
951      : OK
952    else
953      am_cv_prog_cc_c_o=no
954      break
955    fi
956  done
957  rm -f core conftest*
958  unset am_i])
959if test "$am_cv_prog_cc_c_o" != yes; then
960   # Losing compiler, so override with the script.
961   # FIXME: It is wrong to rewrite CC.
962   # But if we don't then we get into trouble of one sort or another.
963   # A longer-term fix would be to have automake use am__CC in this case,
964   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
965   CC="$am_aux_dir/compile $CC"
966fi
967AC_LANG_POP([C])])
968
969# For backward compatibility.
970AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
971
972# Copyright (C) 2001-2013 Free Software Foundation, Inc.
973#
974# This file is free software; the Free Software Foundation
975# gives unlimited permission to copy and/or distribute it,
976# with or without modifications, as long as this notice is preserved.
977
978# AM_RUN_LOG(COMMAND)
979# -------------------
980# Run COMMAND, save the exit status in ac_status, and log it.
981# (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
982AC_DEFUN([AM_RUN_LOG],
983[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
984   ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
985   ac_status=$?
986   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
987   (exit $ac_status); }])
988
989# Check to make sure that the build environment is sane.    -*- Autoconf -*-
990
991# Copyright (C) 1996-2013 Free Software Foundation, Inc.
992#
993# This file is free software; the Free Software Foundation
994# gives unlimited permission to copy and/or distribute it,
995# with or without modifications, as long as this notice is preserved.
996
997# AM_SANITY_CHECK
998# ---------------
999AC_DEFUN([AM_SANITY_CHECK],
1000[AC_MSG_CHECKING([whether build environment is sane])
1001# Reject unsafe characters in $srcdir or the absolute working directory
1002# name.  Accept space and tab only in the latter.
1003am_lf='
1004'
1005case `pwd` in
1006  *[[\\\"\#\$\&\'\`$am_lf]]*)
1007    AC_MSG_ERROR([unsafe absolute working directory name]);;
1008esac
1009case $srcdir in
1010  *[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
1011    AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
1012esac
1013
1014# Do 'set' in a subshell so we don't clobber the current shell's
1015# arguments.  Must try -L first in case configure is actually a
1016# symlink; some systems play weird games with the mod time of symlinks
1017# (eg FreeBSD returns the mod time of the symlink's containing
1018# directory).
1019if (
1020   am_has_slept=no
1021   for am_try in 1 2; do
1022     echo "timestamp, slept: $am_has_slept" > conftest.file
1023     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
1024     if test "$[*]" = "X"; then
1025	# -L didn't work.
1026	set X `ls -t "$srcdir/configure" conftest.file`
1027     fi
1028     if test "$[*]" != "X $srcdir/configure conftest.file" \
1029	&& test "$[*]" != "X conftest.file $srcdir/configure"; then
1030
1031	# If neither matched, then we have a broken ls.  This can happen
1032	# if, for instance, CONFIG_SHELL is bash and it inherits a
1033	# broken ls alias from the environment.  This has actually
1034	# happened.  Such a system could not be considered "sane".
1035	AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
1036  alias in your environment])
1037     fi
1038     if test "$[2]" = conftest.file || test $am_try -eq 2; then
1039       break
1040     fi
1041     # Just in case.
1042     sleep 1
1043     am_has_slept=yes
1044   done
1045   test "$[2]" = conftest.file
1046   )
1047then
1048   # Ok.
1049   :
1050else
1051   AC_MSG_ERROR([newly created file is older than distributed files!
1052Check your system clock])
1053fi
1054AC_MSG_RESULT([yes])
1055# If we didn't sleep, we still need to ensure time stamps of config.status and
1056# generated files are strictly newer.
1057am_sleep_pid=
1058if grep 'slept: no' conftest.file >/dev/null 2>&1; then
1059  ( sleep 1 ) &
1060  am_sleep_pid=$!
1061fi
1062AC_CONFIG_COMMANDS_PRE(
1063  [AC_MSG_CHECKING([that generated files are newer than configure])
1064   if test -n "$am_sleep_pid"; then
1065     # Hide warnings about reused PIDs.
1066     wait $am_sleep_pid 2>/dev/null
1067   fi
1068   AC_MSG_RESULT([done])])
1069rm -f conftest.file
1070])
1071
1072# Copyright (C) 2009-2013 Free Software Foundation, Inc.
1073#
1074# This file is free software; the Free Software Foundation
1075# gives unlimited permission to copy and/or distribute it,
1076# with or without modifications, as long as this notice is preserved.
1077
1078# AM_SILENT_RULES([DEFAULT])
1079# --------------------------
1080# Enable less verbose build rules; with the default set to DEFAULT
1081# ("yes" being less verbose, "no" or empty being verbose).
1082AC_DEFUN([AM_SILENT_RULES],
1083[AC_ARG_ENABLE([silent-rules], [dnl
1084AS_HELP_STRING(
1085  [--enable-silent-rules],
1086  [less verbose build output (undo: "make V=1")])
1087AS_HELP_STRING(
1088  [--disable-silent-rules],
1089  [verbose build output (undo: "make V=0")])dnl
1090])
1091case $enable_silent_rules in @%:@ (((
1092  yes) AM_DEFAULT_VERBOSITY=0;;
1093   no) AM_DEFAULT_VERBOSITY=1;;
1094    *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
1095esac
1096dnl
1097dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
1098dnl do not support nested variable expansions.
1099dnl See automake bug#9928 and bug#10237.
1100am_make=${MAKE-make}
1101AC_CACHE_CHECK([whether $am_make supports nested variables],
1102   [am_cv_make_support_nested_variables],
1103   [if AS_ECHO([['TRUE=$(BAR$(V))
1104BAR0=false
1105BAR1=true
1106V=1
1107am__doit:
1108	@$(TRUE)
1109.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
1110  am_cv_make_support_nested_variables=yes
1111else
1112  am_cv_make_support_nested_variables=no
1113fi])
1114if test $am_cv_make_support_nested_variables = yes; then
1115  dnl Using '$V' instead of '$(V)' breaks IRIX make.
1116  AM_V='$(V)'
1117  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
1118else
1119  AM_V=$AM_DEFAULT_VERBOSITY
1120  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
1121fi
1122AC_SUBST([AM_V])dnl
1123AM_SUBST_NOTMAKE([AM_V])dnl
1124AC_SUBST([AM_DEFAULT_V])dnl
1125AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
1126AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
1127AM_BACKSLASH='\'
1128AC_SUBST([AM_BACKSLASH])dnl
1129_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
1130])
1131
1132# Copyright (C) 2001-2013 Free Software Foundation, Inc.
1133#
1134# This file is free software; the Free Software Foundation
1135# gives unlimited permission to copy and/or distribute it,
1136# with or without modifications, as long as this notice is preserved.
1137
1138# AM_PROG_INSTALL_STRIP
1139# ---------------------
1140# One issue with vendor 'install' (even GNU) is that you can't
1141# specify the program used to strip binaries.  This is especially
1142# annoying in cross-compiling environments, where the build's strip
1143# is unlikely to handle the host's binaries.
1144# Fortunately install-sh will honor a STRIPPROG variable, so we
1145# always use install-sh in "make install-strip", and initialize
1146# STRIPPROG with the value of the STRIP variable (set by the user).
1147AC_DEFUN([AM_PROG_INSTALL_STRIP],
1148[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1149# Installed binaries are usually stripped using 'strip' when the user
1150# run "make install-strip".  However 'strip' might not be the right
1151# tool to use in cross-compilation environments, therefore Automake
1152# will honor the 'STRIP' environment variable to overrule this program.
1153dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
1154if test "$cross_compiling" != no; then
1155  AC_CHECK_TOOL([STRIP], [strip], :)
1156fi
1157INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1158AC_SUBST([INSTALL_STRIP_PROGRAM])])
1159
1160# Copyright (C) 2006-2013 Free Software Foundation, Inc.
1161#
1162# This file is free software; the Free Software Foundation
1163# gives unlimited permission to copy and/or distribute it,
1164# with or without modifications, as long as this notice is preserved.
1165
1166# _AM_SUBST_NOTMAKE(VARIABLE)
1167# ---------------------------
1168# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1169# This macro is traced by Automake.
1170AC_DEFUN([_AM_SUBST_NOTMAKE])
1171
1172# AM_SUBST_NOTMAKE(VARIABLE)
1173# --------------------------
1174# Public sister of _AM_SUBST_NOTMAKE.
1175AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1176
1177# Check how to create a tarball.                            -*- Autoconf -*-
1178
1179# Copyright (C) 2004-2013 Free Software Foundation, Inc.
1180#
1181# This file is free software; the Free Software Foundation
1182# gives unlimited permission to copy and/or distribute it,
1183# with or without modifications, as long as this notice is preserved.
1184
1185# _AM_PROG_TAR(FORMAT)
1186# --------------------
1187# Check how to create a tarball in format FORMAT.
1188# FORMAT should be one of 'v7', 'ustar', or 'pax'.
1189#
1190# Substitute a variable $(am__tar) that is a command
1191# writing to stdout a FORMAT-tarball containing the directory
1192# $tardir.
1193#     tardir=directory && $(am__tar) > result.tar
1194#
1195# Substitute a variable $(am__untar) that extract such
1196# a tarball read from stdin.
1197#     $(am__untar) < result.tar
1198#
1199AC_DEFUN([_AM_PROG_TAR],
1200[# Always define AMTAR for backward compatibility.  Yes, it's still used
1201# in the wild :-(  We should find a proper way to deprecate it ...
1202AC_SUBST([AMTAR], ['$${TAR-tar}'])
1203
1204# We'll loop over all known methods to create a tar archive until one works.
1205_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1206
1207m4_if([$1], [v7],
1208  [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
1209
1210  [m4_case([$1],
1211    [ustar],
1212     [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
1213      # There is notably a 21 bits limit for the UID and the GID.  In fact,
1214      # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
1215      # and bug#13588).
1216      am_max_uid=2097151 # 2^21 - 1
1217      am_max_gid=$am_max_uid
1218      # The $UID and $GID variables are not portable, so we need to resort
1219      # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
1220      # below are definitely unexpected, so allow the users to see them
1221      # (that is, avoid stderr redirection).
1222      am_uid=`id -u || echo unknown`
1223      am_gid=`id -g || echo unknown`
1224      AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
1225      if test $am_uid -le $am_max_uid; then
1226         AC_MSG_RESULT([yes])
1227      else
1228         AC_MSG_RESULT([no])
1229         _am_tools=none
1230      fi
1231      AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
1232      if test $am_gid -le $am_max_gid; then
1233         AC_MSG_RESULT([yes])
1234      else
1235        AC_MSG_RESULT([no])
1236        _am_tools=none
1237      fi],
1238
1239  [pax],
1240    [],
1241
1242  [m4_fatal([Unknown tar format])])
1243
1244  AC_MSG_CHECKING([how to create a $1 tar archive])
1245
1246  # Go ahead even if we have the value already cached.  We do so because we
1247  # need to set the values for the 'am__tar' and 'am__untar' variables.
1248  _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1249
1250  for _am_tool in $_am_tools; do
1251    case $_am_tool in
1252    gnutar)
1253      for _am_tar in tar gnutar gtar; do
1254        AM_RUN_LOG([$_am_tar --version]) && break
1255      done
1256      am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1257      am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1258      am__untar="$_am_tar -xf -"
1259      ;;
1260    plaintar)
1261      # Must skip GNU tar: if it does not support --format= it doesn't create
1262      # ustar tarball either.
1263      (tar --version) >/dev/null 2>&1 && continue
1264      am__tar='tar chf - "$$tardir"'
1265      am__tar_='tar chf - "$tardir"'
1266      am__untar='tar xf -'
1267      ;;
1268    pax)
1269      am__tar='pax -L -x $1 -w "$$tardir"'
1270      am__tar_='pax -L -x $1 -w "$tardir"'
1271      am__untar='pax -r'
1272      ;;
1273    cpio)
1274      am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1275      am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1276      am__untar='cpio -i -H $1 -d'
1277      ;;
1278    none)
1279      am__tar=false
1280      am__tar_=false
1281      am__untar=false
1282      ;;
1283    esac
1284
1285    # If the value was cached, stop now.  We just wanted to have am__tar
1286    # and am__untar set.
1287    test -n "${am_cv_prog_tar_$1}" && break
1288
1289    # tar/untar a dummy directory, and stop if the command works.
1290    rm -rf conftest.dir
1291    mkdir conftest.dir
1292    echo GrepMe > conftest.dir/file
1293    AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1294    rm -rf conftest.dir
1295    if test -s conftest.tar; then
1296      AM_RUN_LOG([$am__untar <conftest.tar])
1297      AM_RUN_LOG([cat conftest.dir/file])
1298      grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1299    fi
1300  done
1301  rm -rf conftest.dir
1302
1303  AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1304  AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1305
1306AC_SUBST([am__tar])
1307AC_SUBST([am__untar])
1308]) # _AM_PROG_TAR
1309
1310